cloudinit: leverage virtio-blk to push cloud-init configuration #207
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doc/usage.md
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| @@ -158,6 +157,20 @@ made to the copy-on-write image, and not to the backing file. Only the | |||
| modified data will use actual disk space. | |||
| A copy-on-write image can be created using `cp -c` or [clonefile(2)](http://www.manpagez.com/man/2/clonefile/). | |||
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| #### Cloud-init | |||
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| The `--device virtio-blk` option could also be used to supply an initial configuration to cloud-init through an disk image. | |||
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can also be used... a disk image
doc/usage.md
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| It is also possible to add further configurations by using the network-config and vendor-data files. | ||
| See https://cloudinit.readthedocs.io/en/latest/reference/datasources/nocloud.html#runtime-configurations for more details. | ||
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| To create the ISO image you could use the following command within a folder containing the user-data and meta-data files |
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I'd use "can" here as well.
doc/usage.md
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| @@ -170,6 +183,11 @@ This adds a virtio-blk device to the VM which will be backed by the raw image at | |||
| --device virtio-blk,path=/Users/virtuser/vfkit.img | |||
| ``` | |||
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| To also push the cloud-init configuration you can add an additional virtio-blk device backed by an image containing the cloud-init configuration files | |||
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"push" reads a bit odd here, maybe "provide" would work?
test/osprovider.go
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| } | ||
| if _, err := file.Seek(0, 0); err != nil { | ||
| return "", err | ||
| } |
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is this header reading required? you do not seem to be making use of it?
test/osprovider.go
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| @@ -64,6 +121,16 @@ func NewPuipuiProvider() *PuiPuiProvider { | |||
| return &PuiPuiProvider{} | |||
| } | |||
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| type FedoraProvider struct { | |||
| vmlinuz string | |||
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diskImage or such would be easier to understand.
it adds the documentation to explain how to push cloud-init configuration by leveraging the virtio-blk device Signed-off-by: Luca Stocchi <lstocchi@redhat.com>
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it adds an e2e test which downloads fedora 40 and create a VM using it. Then mounts an ISO image containing the user-data and meta-data files needed by cloud-init to apply our configuration. The meta-data file is empty but the user-data file contains info about a new user that has to be added to the system. After the VM gets started it verifies that the user has been actually added by connecting using SSH. At the end, the VM is stopped. The test is not run on macOS12 as it does not support efi bootloader. Signed-off-by: Luca Stocchi <lstocchi@redhat.com>
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This PR updates the documentation to explain how to push cloud-init configuration as an ISO image by leveraging virtue-blk.
It also adds an e2e test to verify vfkit works with fedora and the cloud-init configuration is actually applied.
it closes #123